CHSAA boys swimming championships

Christian Sztolcman of Chaminade competes in the 500-yard freestyle event during the CHSAA City Championships at Nassau Aquatic Center on Sunday, Feb. 12, 2017.

Christian Sztoleman of Chaminade goes to claim his award for being a top-three finisher in the 500 yard freestyle event in the CHSAA City Championships at Nassau Aquatic Center on Sunday, Feb. 12, 2017. He also competed in the 200-yard freestyle relay, which Chaminade won.

Andrew Stange of St. Anthony's checks his time on the scoreboard after winning the 200-yard freestyle event in the CHSAA City Championships at Nassau Aquatic Center on Sunday, Feb. 12, 2017.

Michael Chang of St. Anthony's competes in the 200-yard individual medley during the CHSAA City Championships at Nassau Aquatic Center on Sunday, Feb. 12, 2017.

C.J. Arena of St. Anthony's emerges from the water after competing in the 500-yard freestyle event during the CHSAA City Championships at Nassau Aquatic Center on Sunday, Feb. 12, 2017.

Conor Rutigliano of St. Anthony's competes in the 100-yard butterfly event during the CHSAA City Championships at Nassau Aquatic Center on Sunday, Feb. 12, 2017.

Andrew Stange of St. Anthony's competes in the 200-yard freetyle event during the CHSAA City Championships at Nassau Aquatic Center on Sunday, Feb. 12, 2017. He won with a time of 1:39.20.

Andrew Stange of St. Anthony's swims the butterfly portion of the 200-yard medley relay during the CHSAA City Championships at Nassau Aquatic Center on Sunday, Feb. 12, 2017. St. Anthony's won the event with a time of 1:35.40.

Christian Sztoleman of Chaminade competes in the 500-yard freestyle event during the CHSAA City Championships at Nassau Aquatic Center on Sunday, Feb. 12, 2017.

Andrew Stange of St. Anthony's, right, stands alongside Christian Sztoleman of Chaminade after they finished first and second respectively in the 200-yard freetyle event during the CHSAA City Championships at Nassau Aquatic Center on Sunday, Feb. 12, 2017.